238395280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 604514880

約数和(自身を除く): 366119600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 71, 76, 80, 94, 95, 142, 152, 188, 190, 235, 284, 304, 355, 376, 380, 470, 568, 710, 752, 760, 893, 940, 1136, 1349, 1420, 1520, 1786, 1880, 2209, 2698, 2840, 3337, 3572, 3760, 4418, 4465, 5396, 5680, 6674, 6745, 7144, 8836, 8930, 10792, 11045, 13348, 13490, 14288, 16685, 17672, 17860, 21584, 22090, 26696, 26980, 33370, 35344, 35720, 41971, 44180, 53392, 53960, 63403, 66740, 71440, 83942, 88360, 107920, 126806, 133480, 156839, 167884, 176720, 209855, 253612, 266960, 313678, 317015, 335768, 419710, 507224, 627356, 634030, 671536, 784195, 839420, 1014448, 1254712, 1268060, 1568390, 1678840, 2509424, 2536120, 2979941, 3136780, 3357680, 5072240, 5959882, 6273560, 11919764, 12547120, 14899705, 23839528, 29799410, 47679056, 59598820, 119197640, 238395280]

約数ペア:

[(1, 238395280), (2, 119197640), (4, 59598820), (5, 47679056), (8, 29799410), (10, 23839528), (16, 14899705), (19, 12547120), (20, 11919764), (38, 6273560), (40, 5959882), (47, 5072240), (71, 3357680), (76, 3136780), (80, 2979941), (94, 2536120), (95, 2509424), (142, 1678840), (152, 1568390), (188, 1268060), (190, 1254712), (235, 1014448), (284, 839420), (304, 784195), (355, 671536), (376, 634030), (380, 627356), (470, 507224), (568, 419710), (710, 335768), (752, 317015), (760, 313678), (893, 266960), (940, 253612), (1136, 209855), (1349, 176720), (1420, 167884), (1520, 156839), (1786, 133480), (1880, 126806), (2209, 107920), (2698, 88360), (2840, 83942), (3337, 71440), (3572, 66740), (3760, 63403), (4418, 53960), (4465, 53392), (5396, 44180), (5680, 41971), (6674, 35720), (6745, 35344), (7144, 33370), (8836, 26980), (8930, 26696), (10792, 22090), (11045, 21584), (13348, 17860), (13490, 17672), (14288, 16685)]